01:35 PM EST, 02/19/2025 (MT Newswires) -- SINTX Technologies ( SINT ) shares soared 60% amid heavy trading after the company said Wednesday it received a US patent for an alumina ceramic biomaterial.

Intraday trading volume surged to over 66.7 million shares from a daily average of about 209,000.

Jet.AI ( JTAI ) , an aviation and artificial intelligence company, said Wednesday it issued a letter to its shareholders highlighting "key milestones and recent operational developments reached and its 2025 strategic priorities."

Shares more than doubled as intraday trading volume catapulted to over 97.8 million from a daily average of about 2.94 million.

Garmin ( GRMN ) shares jumped after the company reported Wednesday Q4 results that beat analyst expectations.

Shares rose 14% as intraday trading volume climbed to more than 1.82 million from a daily average of about 772,000.

Price: 4.51, Change: +1.69, Percent Change: +59.93